MOUNT CLEMENS, Mich. - Bridget Hillard, a canine handler with U.S. Customs and Border Protection, and dog Falco train at Air Station Detroit, Jan. 4, 2012. Canines, like those ones that trained at Air Station Detroit, are utilized at U.S. and Canadian borders and local ports of entry to enforce federal regulations by identifying and locating illegal contraband. U.S. Coast Guard photo by Lt. Jason Neiman.